Circuit Explanation; Power Supply Circuit - Casio PCR-365A Service Manual

5. CIRCUIT EXPLANATION

5-1. Power supply circuit

Q1: Power transistor
Q2: Voltage detection transistor
Voltage level at above check point (unit: V )
Measurement
position
Voltage (V)
A C
A B C
12.5V 5.3V 6.2V
— 7 —
D
2.47V
B
D